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Diffstat (limited to 'testsuite/vests/vhdl-93/ashenden/compliant/ch_13_fg_13_13.vhd')
-rw-r--r-- | testsuite/vests/vhdl-93/ashenden/compliant/ch_13_fg_13_13.vhd | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_13_fg_13_13.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_13_fg_13_13.vhd new file mode 100644 index 000000000..0868c64d8 --- /dev/null +++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_13_fg_13_13.vhd @@ -0,0 +1,71 @@ + +-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc + +-- This file is part of VESTs (Vhdl tESTs). + +-- VESTs is free software; you can redistribute it and/or modify it +-- under the terms of the GNU General Public License as published by the +-- Free Software Foundation; either version 2 of the License, or (at +-- your option) any later version. + +-- VESTs is distributed in the hope that it will be useful, but WITHOUT +-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +-- for more details. + +-- You should have received a copy of the GNU General Public License +-- along with VESTs; if not, write to the Free Software Foundation, +-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +-- --------------------------------------------------------------------- +-- +-- $Id: ch_13_fg_13_13.vhd,v 1.3 2001-10-26 16:29:35 paw Exp $ +-- $Revision: 1.3 $ +-- +-- --------------------------------------------------------------------- + +-- not in book + +entity computer_system is +end entity computer_system; + + +library stimulus; +use stimulus.stimulus_generators.all; + +-- end not in book + +architecture structure of computer_system is + + component decoder_2_to_4 is + generic ( prop_delay : delay_length ); + port ( in0, in1 : in bit; + out0, out1, out2, out3 : out bit ); + end component decoder_2_to_4; + + -- . . . + + -- not in book + + signal addr : bit_vector(5 downto 4); + signal interface_a_select, interface_b_select, + interface_c_select, interface_d_select : bit; + -- end not in book + +begin + + interface_decoder : component decoder_2_to_4 + generic map ( prop_delay => 4 ns ) + port map ( in0 => addr(4), in1 => addr(5), + out0 => interface_a_select, out1 => interface_b_select, + out2 => interface_c_select, out3 => interface_d_select ); + + -- . . . + + -- not in book + + all_possible_values(addr, 10 ns); + + -- end not in book + +end architecture structure; |